Lamb, G. (1953). Intro. precis and comprehension. George G. Harrap.
Lua i Stíl Chicago (17ú heag.)Lamb, G. Intro. Precis and Comprehension. London: George G. Harrap, 1953.
Lua MLA (9ú heag.)Lamb, G. Intro. Precis and Comprehension. George G. Harrap, 1953.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.